Home / 879,424.10-1,320,302.55-702,131.30

Finding the Fourth Proportional to 879,424.10, 1,320,302.55 and 702,131.30

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Solution

The fourth proportional to 879,424.10, 1,320,302.55 and 702,131.30 is: 1,054,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,424.10 : 1,320,302.55 = 702,131.30 : x
  2. Step 2: Convert to fraction form
    879,424.10/1,320,302.55 = 702,131.30/x
  3. Step 3: Cross multiply
    879,424.10x = 1,320,302.55 × 702,131.30
  4. Step 4: Simplify right side
    879,424.10x = 927,025,745,824.82
  5. Step 5: Solve for x
    x = 927,025,745,824.82/879,424.10
  6. Step 6: Final answer
    x = 1,054,128.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.